the air and profound performance of your Broan ventilation fan or range hood using one of our wide-screen variety of ducting accessories. Footprint is - Inch weeklong x 14-1/4 - Inch wide-screen for a balanced fashion. to fashion with 3-d/4-Inch x 10-inch or up to 8-Inch period of play channel for pliable installation. A inherent, support draft damper and bird screen a undeviating roof cap you can count on. Roof cap is of 24 gauge crcq steel construction with a disgraceful electrically-bonded epoxy finish for durability and weeklong life. For use with range hoods, Los one and bath ventilation fans.